<div>
  Specify JVM options needed when launching Maven as an external process.
  Also see <a href="http://maven.apache.org/maven-1.x/reference/command-line.html">MAVEN_OPTS documentation</a>
  (even though this is for Maven 1.x it still applies to Maven 2.x)

  <p>
  Shell-like environment variable expansions work in this field, by using the <tt>${VARIABLE}</tt> syntax.
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